<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="css/style.css" rel="stylesheet">
    <title>前端监控SDK</title>
</head>

<body>
    <div id="container">
        <div class="content1">
            xxx
        </div>
    </div>
    <script>
        // let content = document.getElementsByClassName('content1')[0];
        // content.innerHTML = '¥'.repeat(1000)
        setTimeout(() => {
            let content = document.getElementsByClassName('content1')[0];
            content.innerHTML = '¥'.repeat(1000);
            let h1 = document.createElement('h1');
            h1.innerHTML = '这事有意义的';
            h1.setAttribute('elementtiming', 'meaningful');
            content.appendChild(h1)

        }, 200)
    </script>
</body>

</html>